If you think it is okay to execute somebody under the current law, you also think it is okay to execute somebody who might be innocent. And it’s not one of those ‘mights’ like ‘unicorns might live in the sewer.’ It’s one of those mights that has likely happened before and very likely will happen in the near future. Before condemning Scalia and Thomas on this one, either make sure you’re also condemning the death penalty or recognize that you’re dealing in shades of grey.